Also, check you front hub assemblies. To do this, you'll need to pull off the tires and use a pry bar to loosen the brake pads from the rotors and have a 1/4 inch clearance if possible. Install your tires and try wiggling your tires up and down slowly with your hands on the front side of the tires, one hand at the 12 and the other at the 6. If you feel movement, those are worn, buy Timken replacements and that may be the cure to your problems. A skip in the pulse to the ABS module may not be enough to trigger a fault code, but can trigger the Stabilitrac.